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| author | Rian Hunter <rianhunter@users.noreply.github.com> | 2025-01-03 13:07:07 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-01-03 13:07:07 (GMT) |
| commit | b4f799b1e78ede17b41de9a2bc51b437a7e6dd74 (patch) | |
| tree | 6b9c169612eefd8ee78b113bb39f2cb9c3aa24b0 /Modules | |
| parent | f21af186bf21c1c554209ac67d78d3cf99f7d7c0 (diff) | |
| download | cpython-b4f799b1e78ede17b41de9a2bc51b437a7e6dd74.zip cpython-b4f799b1e78ede17b41de9a2bc51b437a7e6dd74.tar.gz cpython-b4f799b1e78ede17b41de9a2bc51b437a7e6dd74.tar.bz2 | |
gh-112015: Implement `ctypes.memoryview_at()` (GH-112018)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/_ctypes/_ctypes.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c index ac520ff..ede95bd 100644 --- a/Modules/_ctypes/_ctypes.c +++ b/Modules/_ctypes/_ctypes.c @@ -5791,6 +5791,22 @@ wstring_at(const wchar_t *ptr, int size) return PyUnicode_FromWideChar(ptr, ssize); } +static PyObject * +memoryview_at(void *ptr, Py_ssize_t size, int readonly) +{ + if (PySys_Audit("ctypes.memoryview_at", "nni", + (Py_ssize_t)ptr, size, readonly) < 0) { + return NULL; + } + if (size < 0) { + PyErr_Format(PyExc_ValueError, + "memoryview_at: size is negative (or overflowed): %zd", + size); + return NULL; + } + return PyMemoryView_FromMemory(ptr, size, + readonly ? PyBUF_READ : PyBUF_WRITE); +} static int _ctypes_add_types(PyObject *mod) @@ -5919,6 +5935,7 @@ _ctypes_add_objects(PyObject *mod) MOD_ADD("_string_at_addr", PyLong_FromVoidPtr(string_at)); MOD_ADD("_cast_addr", PyLong_FromVoidPtr(cast)); MOD_ADD("_wstring_at_addr", PyLong_FromVoidPtr(wstring_at)); + MOD_ADD("_memoryview_at_addr", PyLong_FromVoidPtr(memoryview_at)); /* If RTLD_LOCAL is not defined (Windows!), set it to zero. */ #if !HAVE_DECL_RTLD_LOCAL |